BYD Seal 6 DM-i vs Cadillac CT5

Key differences

  • BYD Seal 6 DM-i is 83 mm (3.3 in) shorter than Cadillac CT5.
  • Cadillac CT5 makes 42 kW (56 hp) more power than BYD Seal 6 DM-i.
Gas

BYD Seal 6 DM-i

Sedan · 2026 · PHEV

£34,020 incl. tax

€37,000 incl. tax

€38,200 incl. tax

€37,490 incl. tax

No price listed for United States yet.

No price listed for Canada yet.

No price listed for Australia yet.

No price listed for Germany yet.

No price listed for Netherlands yet.

No price listed for Norway yet.

No price listed for France yet.

No price listed for Belgium yet.

No price listed for Austria yet.

No price listed for Sweden yet.

No price listed for Denmark yet.

No price listed for Switzerland yet.

Full specifications of BYD Seal 6 DM-i
Gas

Cadillac CT5

Sedan · 2026 · ICE

US$49,200 excl. tax

CA$58,599 excl. tax

No price listed for United Kingdom yet.

No price listed for Australia yet.

No price listed for Germany yet.

No price listed for Netherlands yet.

No price listed for Norway yet.

No price listed for France yet.

No price listed for Spain yet.

No price listed for Italy yet.

No price listed for Belgium yet.

No price listed for Austria yet.

No price listed for Ireland yet.

No price listed for Sweden yet.

No price listed for Denmark yet.

No price listed for Switzerland yet.

Full specifications of Cadillac CT5

Size comparison

Side view size comparison of BYD Seal 6 DM-i and Cadillac CT5
  • Cadillac CT5 is 83 mm (3.3 in) longer than BYD Seal 6 DM-i.
  • Cadillac CT5 is 42 mm (1.7 in) lower than BYD Seal 6 DM-i.
  • Cadillac CT5 has a wheelbase 156 mm (6.1 in) longer than BYD Seal 6 DM-i.
Blue solid line: BYD Seal 6 DM-i; orange dashed line: Cadillac CT5. The outlines are generic body shapes drawn at one scale, not the real design of any model.

BYD Seal 6 DM-i is 4,840 mm (190.6 in) long and 1,495 mm (58.9 in) high, with a wheelbase of 2,790 mm (109.8 in). Cadillac CT5 is 4,923 mm (193.8 in) long and 1,453 mm (57.2 in) high, with a wheelbase of 2,946 mm (116 in).

Front view size comparison of BYD Seal 6 DM-i and Cadillac CT5
  • Cadillac CT5 is 7 mm (0.3 in) wider than BYD Seal 6 DM-i.
Blue solid line: BYD Seal 6 DM-i; orange dashed line: Cadillac CT5.

BYD Seal 6 DM-i is 1,875 mm (73.8 in) wide and 1,495 mm (58.9 in) high. Cadillac CT5 is 1,882 mm (74.1 in) wide and 1,453 mm (57.2 in) high.

Rear view size comparison of BYD Seal 6 DM-i and Cadillac CT5
Blue solid line: BYD Seal 6 DM-i; orange dashed line: Cadillac CT5.

BYD Seal 6 DM-i is 1,875 mm (73.8 in) wide and 1,495 mm (58.9 in) high. Cadillac CT5 is 1,882 mm (74.1 in) wide and 1,453 mm (57.2 in) high.

Compare specifications

A check mark shows the better value in a row. Range and efficiency check marks compare only values from the same test cycle. Prices are each market's own list prices, compared within that market; some include tax and some do not, and no price is marked better when the tax treatment differs.

Specification comparison
Specification BYD Seal 6 DM-i Cadillac CT5
Price
Base priceUnited States Not listed US$49,200excl. taxChecked . Source for United States, Cadillac CT5
Base priceCanada Not listed CA$58,599excl. taxChecked . Source for Canada, Cadillac CT5
Base priceUnited Kingdom £34,020incl. taxChecked . Source for United Kingdom, BYD Seal 6 DM-i Not listed
Base priceAustralia Neither car has a price listed for Australia yet.
Base priceGermany Neither car has a price listed for Germany yet.
Base priceNetherlands Neither car has a price listed for Netherlands yet.
Base priceNorway Neither car has a price listed for Norway yet.
Base priceFrance Neither car has a price listed for France yet.
Base priceSpain €37,000incl. taxChecked . Source for Spain, BYD Seal 6 DM-i Not listed
Base priceItaly €38,200incl. taxChecked . Source for Italy, BYD Seal 6 DM-i Not listed
Base priceBelgium Neither car has a price listed for Belgium yet.
Base priceAustria Neither car has a price listed for Austria yet.
Base priceIreland €37,490incl. taxChecked . Source for Ireland, BYD Seal 6 DM-i Not listed
Base priceSweden Neither car has a price listed for Sweden yet.
Base priceDenmark Neither car has a price listed for Denmark yet.
Base priceSwitzerland Neither car has a price listed for Switzerland yet.
Dimensions
Length 4,840 mm (190.6 in)4,923 mm (193.8 in)
Width 1,875 mm (73.8 in)1,882 mm (74.1 in)
Height 1,495 mm (58.9 in)1,453 mm (57.2 in)
Wheelbase 2,790 mm (109.8 in)2,946 mm (116 in)
Performance
Power 135 kW (181 hp)177 kW (237 hp)Better value on this metric
Torque Not available 350 Nm258 lb-ft (350 Nm)
Engine and fuel
Fuel use 102.3 mpg (WLTP)2.3 L/100 km (WLTP)122.8 mpg Not available
Engine size 1,498 cc2,000 cc
CO2 emissions 52 g/km Not available
Practicality
Seats 55
Cargo space 491 L491 L (17.3 cu ft) Not available

BYD Seal 6 DM-i

Specifications: Manufacturer official pages, cited per row, checked . www.byd.com www.byd.com

Source detailsBoost (UK leaflet column); https://www.byd.com/material/byd-site/byd-uk/specifications/SEAL%206%20DM-i%20UK%20Leaflet-v3.pdf -> length_mm "Length 4840 4840 Width 1875 1875 Width with extended exterior mirror 2102"; width_mm (same row) [plain Width row, without mirrors]; height_mm "Height 1495 1495"; wheelbase_mm "Wheelbase 2790 2790"; power_kw "System total max power (kW/PS) 135/184 156/212" [kW; system total]; fuel_consumption_l100km "Fuel Consumption - weighted combined (mpg) 122.8 188.3" [WLTP weighted combined]; co2g_per_km "CO emissions - combined (g/km) 52 34" [WLTP combined]; cargo_liters "Boot volume (L) 491 491" [seats up] | https://www.byd.com/it/news/anteprima-seal-6-dmi-e-seal-6-dmi-touring -> seats "Capacità abitacolo (posti) 5" [BYD Italia release 2 Sep 2025, saloon table (boot 491/1370)]. Exact factors: l/100km = 282.480936 / mpg (UK gallon).

Other specifications: Manufacturer official pages, cited per row, checked . www.byd.com

Source detailsFills an empty field only.

Cadillac CT5

Specifications: Manufacturer official pages, cited per row, checked . www.cadillac.com news.cadillac.com

Source detailsRWD standard (AWD only listed as available); fuel_consumption_epa_l100km has its own provenance row (fueleconomy.gov file). https://www.cadillac.com/sedans/ct5/specs -> length_mm «HEIGHT 57.2" LENGTH 193.8" WIDTH WITH MIRRORS 80.3»; height_mm (same row); wheelbase_mm «WHEELBASE 116" GROUND CLEARANCE 4"»; seats "SEATS UP TO 5 PASSENGERS"; power_kw "HORSEPOWER 237 with premium gasoline" [2.0L turbo I4, only engine] | https://news.cadillac.com/newsroom.detail.html/Pages/news/us/en/2023/sep/0913-ct5.html -> width_mm "74.1/ 1882 (w/o mirrors)" [2025 model-year press kit, same body]. Exact factors: hp x 0.745699872; in x 25.4.

Other specifications: Manufacturer official pages, cited per row, checked . www.cadillac.com

Source detailsFills an empty field only.

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